US2932711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant heating panel and construction for buildings and the like
Assignee: FIELDEN L POIRRIER
•
Filing: 1957-05-10
•
Granted: 1960-04-12
•
Expires: 1977-05-10
Abstract
No abstract record available.
Inventors
- 👤 Lytle S Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:04
CPC Classifications
F; F24; F24D; F24D13/00; F24D13/02; F24D13/022; F24D13/024; Y; Y02; Y02B; Y02B30/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2230095A
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CH225310A
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US2486791A
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GB592431A
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US2521540A
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US2540465A
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US2540295A
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US2523405A
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GB654677A
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FR976276A
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US2613306A
Cited
US2503601A
Cited
US2615115A
Cited
US2671158A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |